1985 BMW R65RT Mono
| Engine Engine type Bore x Stroke Displacement Valves Compression ratio Max Power Max Torque Fuel system Transmission Final drive Clutch Ignition type Starting system Lubrication Exhaust Spark plug Battery Gear ratios | Air-cooled, four-stroke two cylinder horizontally opposed "Boxer" engine 82.0 x 61.5 mm (3.22 x 2.42 inches) 649.6 cc 2 valves per cylinder; OHV, using push rod and rocker arm 8.7:1 48 hp (35 KW) @ 7,250 rpm or 27 hp (20 Kw) @ 5500 rpm 47.8 Nm / 35 ft lb @ 3,500 rpm or 45.5 Nm / 33 ft lb @ 3,500 rpm 2 constant depression carburettors, Bing 64/32/359 - 64/32/360 or 64/26/317 5-speed; dog type gearbox (ratchet foot lever) Cardan Dry single plate, with lever action diaphragm spring Contact free electronic ignition (Bosch) Electrik starter Wet sump Bosch W 7 DC / Beru 14-7 DU/ Champion N9YC 6 volt 12 amp hour |
| Dimensions Frame type Castor Overall length Overall width Overall height Wheelbase Seat height Ground clearance Dry weight Fuel capacity Colors Suspension (front) Suspension (rear) Tyre (front) Tyre (rear) Brake (front) Brake (rear) | Double loop tubular frame with bolt on rear section 2175 mm (85.62 inches) 960 mm (37.79 inches) 1478 mm (58.18 inches) 1477 mm (56.96 inches) 807 mm (31.80 inches) 140 mm (5.51 inches) 205 kg 22 litres Blue Telescopic fork with hydraulic shock absorber BMW Monolever swinging arm 90/90 R18 51 H or 90/90 R18 51 S 120/90 R18 65 H or 120/90 R18 65 S Single disc brake 285 mm/11.22 in diameter. Brembo 2 piston caliper Simplex drum brake 200 mm/7.87 in diameter |
Image: http://www.bmbikes.co.uk/photopages/photosr65rtmono.htm